:root{
  /* palette drawn directly from the TBSC mark */
  --ink:#0A0D12; --slate:#141A22; --slate-2:#1F2833; --line-d:#2C3743;
  --blue:#005ADD; --blue-lift:#2E7BFF; --blue-deep:#0046AE;
  --gold:#FCC203; --gold-lift:#FFD84D; --gold-deep:#8A6300;
  --paper:#F4F6F9; --white:#FFFFFF; --body:#232B35;
  --muted:#59636F; --muted-d:#94A1AE; --line:#E1E7EE;
  --display:'Barlow Condensed',sans-serif;
  --sans:'Barlow',sans-serif;
  --mono:'IBM Plex Mono',monospace;
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--body);background:var(--white);line-height:1.65;font-size:17px}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--display);text-transform:uppercase;line-height:1.05;color:var(--ink);letter-spacing:.01em}
h2{font-size:clamp(2rem,4.2vw,3rem);font-weight:700}
h3{font-size:1.3rem;font-weight:600;letter-spacing:.02em}
p.lead{font-size:1.13rem;max-width:64ch}
.dark{background:var(--ink);color:#D9E0E8}
.dark h1,.dark h2,.dark h3{color:var(--white)}
.paper{background:var(--paper)}
section{padding:88px 0}
section.tight{padding:64px 0}

/* the ring triad: white / blue / gold, taken from the logo arc */
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--blue-deep);display:flex;align-items:center;gap:12px;margin-bottom:16px}
.eyebrow::before{content:"";width:44px;height:3px;flex:none;border-radius:2px;
  background:linear-gradient(90deg,var(--ink) 0 33%,var(--blue) 33% 66%,var(--gold) 66% 100%)}
.dark .eyebrow{color:var(--gold)}
.dark .eyebrow::before{background:linear-gradient(90deg,#fff 0 33%,var(--blue-lift) 33% 66%,var(--gold) 66% 100%)}

:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:0;background:var(--gold);color:var(--ink);padding:12px 20px;z-index:200;font-weight:600}
.skip:focus{left:0}

.btn{display:inline-block;font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;
  font-weight:600;font-size:1.05rem;padding:14px 30px;border-radius:3px;text-decoration:none;
  transition:transform .15s ease,background .15s ease,border-color .15s ease}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:var(--gold-lift)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-lift)}
.btn-ghost{border:1px solid var(--line-d);color:var(--white)}
.btn-ghost:hover{border-color:var(--gold)}
.btn-outline{border:2px solid var(--ink);color:var(--ink)}
.btn-outline:hover{border-color:var(--blue-deep);color:var(--blue-deep)}
.btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:60;background:rgba(10,13,18,.95);backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:18px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;flex:none}
.brand img{width:44px;height:44px;flex:none}
.brand-name{font-family:var(--display);font-weight:700;text-transform:uppercase;color:var(--white);
  font-size:1.12rem;line-height:1.05;letter-spacing:.03em}
.brand-name small{display:block;font-family:var(--mono);font-size:.55rem;font-weight:400;
  letter-spacing:.2em;color:var(--muted-d);text-transform:uppercase;margin-top:4px}
nav ul{display:flex;gap:21px;list-style:none;align-items:center}
nav a{font-family:var(--display);text-transform:uppercase;letter-spacing:.05em;font-size:1.02rem;
  font-weight:500;color:#C6D0DA;text-decoration:none;padding:6px 0;border-bottom:2px solid transparent;white-space:nowrap}
nav a:hover{color:#fff;border-color:var(--gold)}
nav a[aria-current="page"]{color:#fff;border-color:var(--blue-lift)}
.langs{display:flex;align-items:center;gap:8px;flex:none}
.lang{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  text-decoration:none;color:var(--muted-d);border:1px solid var(--line-d);padding:7px 11px;border-radius:3px}
.lang:hover{color:#fff;border-color:var(--gold)}
.lang.on{color:var(--ink);background:var(--gold);border-color:var(--gold);font-weight:500}
.menu-btn{display:none;background:none;border:1px solid var(--line-d);border-radius:3px;
  color:#fff;font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;padding:8px 14px;font-size:1rem}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:#D9E0E8;position:relative;overflow:hidden;padding:104px 0 96px}
.hero.compact{padding:76px 0 64px}
.hero h1{font-size:clamp(2.6rem,6.4vw,4.7rem);font-weight:700;color:#fff;max-width:16ch}
.hero p.lead{color:#B9C4CF;margin-top:22px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero .ring{width:100%;max-width:420px;margin-left:auto}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:4px;
  background:linear-gradient(90deg,#fff 0 33.3%,var(--blue) 33.3% 66.6%,var(--gold) 66.6% 100%)}

/* animated arc pulse */
@keyframes trace{to{stroke-dashoffset:0}}
@keyframes pulse{0%{offset-distance:0%;opacity:0}8%{opacity:1}92%{opacity:1}100%{offset-distance:100%;opacity:0}}
.ring .arc{stroke-dasharray:520;stroke-dashoffset:520;animation:trace 1.7s ease-out forwards}
.ring .a2{animation-delay:.35s}
.ring .a3{animation-delay:.7s}
.ring .spark{animation:spin 9s linear infinite;transform-origin:150px 150px}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){
  .ring .arc{animation:none;stroke-dashoffset:0}
  .ring .spark{animation:none}
  .reveal{opacity:1!important;transform:none!important}
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- sequence cards ---------- */
.seq{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;background:var(--line);
  border:1px solid var(--line);border-radius:4px;overflow:hidden;margin-top:44px}
.seq .step{background:#fff;padding:28px 22px 32px}
.seq .n{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;color:var(--blue-deep);display:block;margin-bottom:14px}
.seq .step h3{margin-bottom:10px}
.seq .step p{font-size:.95rem;color:var(--muted)}
.dark .seq{background:var(--line-d);border-color:var(--line-d)}
.dark .seq .step{background:var(--slate)}
.dark .seq .step p{color:var(--muted-d)}
.dark .seq .n{color:var(--gold)}

/* ---------- service list ---------- */
.svc{border-top:1px solid var(--line)}
.svc-row{display:grid;grid-template-columns:80px 1fr 1.15fr;gap:30px;padding:36px 0;border-bottom:1px solid var(--line);align-items:start}
.svc-row .idx{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;color:var(--blue-deep);padding-top:6px}
.svc-row p{color:var(--muted)}
.svc-row ul{margin:14px 0 0;padding-left:18px;color:var(--muted);font-size:.95rem}
.svc-row li{margin-bottom:6px}
.tag{display:inline-block;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  background:#FFF4D1;color:var(--gold-deep);padding:5px 9px;border-radius:3px;margin-top:12px}

/* ---------- clients ---------- */
.clients{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.clients span{font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;font-size:1.15rem;
  font-weight:600;color:#fff;border:1px solid var(--line-d);border-radius:3px;padding:11px 20px}

/* ---------- generic cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-top:44px}
.card{border:1px solid var(--line);border-radius:5px;padding:28px;background:#fff}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:.97rem}
.dark .card{background:var(--slate);border-color:var(--line-d)}
.dark .card p{color:var(--muted-d)}

/* ---------- split ---------- */
.split>*,.hero-grid>*,.contact-grid>*{min-width:0}
h1,h2,h3,p{overflow-wrap:break-word}
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.split.narrow{grid-template-columns:1.2fr .8fr}
ul.ticks{list-style:none;margin-top:22px}
ul.ticks li{position:relative;padding:11px 0 11px 32px;border-bottom:1px solid var(--line);color:var(--body)}
ul.ticks li:last-child{border-bottom:0}
ul.ticks li::before{content:"";position:absolute;left:4px;top:19px;width:11px;height:6px;
  border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}
.dark ul.ticks li{color:#C9D3DD;border-color:var(--line-d)}
.dark ul.ticks li::before{border-color:var(--gold)}

/* ---------- accreditation band ---------- */
.accred{background:var(--slate);color:#D9E0E8;padding:64px 0}
.accred h2{color:#fff;font-size:clamp(1.7rem,3.2vw,2.3rem)}
.accred p{color:var(--muted-d);max-width:60ch}
.acc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:34px}
.acc{border:1px solid var(--line-d);border-radius:4px;padding:22px;background:rgba(255,255,255,.03)}
.acc strong{font-family:var(--display);text-transform:uppercase;font-size:1.25rem;color:#fff;letter-spacing:.03em;display:block}
.acc span{display:block;color:var(--muted-d);font-size:.92rem;margin-top:4px}
.acc em{display:inline-block;font-family:var(--mono);font-style:normal;font-size:.64rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink);background:var(--gold);padding:4px 8px;border-radius:3px;margin-top:14px}

/* ---------- CTA ---------- */
.cta{background:var(--blue);color:#fff;padding:72px 0}
.cta h2{color:#fff}
.cta p{color:#DCE9FF;max-width:58ch;margin-top:14px}
.cta .btn-gold{margin-top:28px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}
ul.cdetail{list-style:none;border-top:1px solid var(--line)}
ul.cdetail li{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
ul.cdetail .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding-top:4px}
ul.cdetail .v{color:var(--body)}
ul.cdetail a{color:var(--blue-deep);font-weight:500}
form label{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin:18px 0 7px}
form input,form textarea{width:100%;border:1px solid var(--line);border-radius:3px;padding:12px 14px;
  font-family:var(--sans);font-size:1rem;color:var(--body);background:#fff}
form textarea{min-height:130px;resize:vertical}
form input:focus,form textarea:focus{border-color:var(--blue)}
form button{margin-top:26px;background:var(--ink);color:#fff;border:0;cursor:pointer;
  font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;font-size:1.05rem;padding:14px 32px;border-radius:3px}
form button:hover{background:var(--blue)}

/* ---------- footer ---------- */
footer{background:var(--ink);color:var(--muted-d);padding:64px 0 34px;font-size:.94rem}
.f-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:44px}
.f-brand{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.f-brand img{width:52px;height:52px}
.f-brand strong{font-family:var(--display);text-transform:uppercase;color:#fff;font-size:1.15rem;letter-spacing:.03em;line-height:1.1}
footer h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:#fff;margin-bottom:16px;font-weight:500}
footer ul{list-style:none}
footer li{margin-bottom:9px}
footer a{color:var(--muted-d);text-decoration:none}
footer a:hover{color:var(--gold)}
.legal{margin-top:44px;padding-top:22px;border-top:1px solid var(--line-d);font-size:.82rem;line-height:1.7;color:#7C8794}
.legal strong{color:#A6B2BE;font-weight:500}

@media(max-width:1330px){
  nav ul{gap:13px}
  nav a{font-size:.9rem;letter-spacing:.02em}
  .brand-name{font-size:1rem}
  .brand-name small{display:none}
}
@media(max-width:1080px){ .seq{grid-template-columns:repeat(2,1fr)} }
@media(max-width:960px){
  .hero-grid,.split,.split.narrow,.contact-grid{grid-template-columns:1fr;gap:38px}
  .hero .ring{max-width:300px;margin:0}
  .f-grid{grid-template-columns:1fr 1fr;gap:32px}
  .svc-row{grid-template-columns:1fr;gap:12px}
  .svc-row .idx{padding-top:0}
}
@media(max-width:360px){ .wrap{padding:0 18px} h2{font-size:1.75rem} }
@media(max-width:430px){
  .brand-name{display:none}
  .brand img{width:42px;height:42px}
}
@media(max-width:1100px){
  section{padding:64px 0}
  nav{position:absolute;top:75px;left:0;right:0;background:var(--ink);border-bottom:1px solid var(--line-d);display:none}
  nav.open{display:block}
  nav ul{flex-direction:column;gap:0;padding:8px 24px 18px}
  nav li{width:100%;border-bottom:1px solid var(--line-d)}
  nav li:last-child{border-bottom:0}
  nav a{display:block;padding:14px 0;border-bottom:0}
  .menu-btn{display:block;padding:7px 11px;font-size:.9rem}
  .nav{gap:10px}
  .brand img{width:38px;height:38px}
  .brand-name{font-size:.95rem}
  .brand-name small{display:none}
  .langs{gap:6px}
  .lang{padding:6px 8px;font-size:.64rem}
  .f-grid{grid-template-columns:1fr}
  .seq{grid-template-columns:1fr}
  ul.cdetail li{grid-template-columns:1fr;gap:4px}
}